12
ICAR JRF Dairy Microbiology 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1
Final products of alcohol fermentation are
  • Biochemical End Products of Alcoholic Fermentation:
  • Gay-Lussac Stoichiometry:
$$\text{C}_6\text{H}_{12}\text{O}_6 \longrightarrow 2\ \text{CH}_3\text{CH}_2\text{OH} + 2\ \text{CO}_2$$
  • In yeast (Saccharomyces cerevisiae), pyruvate is decarboxylated by pyruvate decarboxylase to form acetaldehyde and carbon dioxide ($\text{CO}_2$). Acetaldehyde is subsequently reduced by alcohol dehydrogenase to ethanol.
  • Conclusion: Ethanol and CO2 (Option 2).

Correct option: (2) Ethanol and Coz

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